# SDR UALA2012121207202

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2012
- Submitted: January 14, 2013
- Operation: Air carrier
- Aircraft: [N663UA](https://openairdocs.org/aircraft/N663UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27160
- Aircraft time: 83,746 hours, 13,465 cycles
- Engine: Pwa PW4060
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Sdu
- Part number: 8220314101
- Part serial: 118
- Condition: Faulty
- Location: Nr 1
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012121207202

## Discrepancy

VOICE ON SATCOM NOT WORKING.  ACARS CAN USE OK.  MSG "LOW GAIN" ON LINE 6 OF CDU.  REPLACED SATELLITE DATA UNIT PER MM.  CALLED SAMC, OPS CHECKED NORMAL.

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